Underpayment reviews may not amount more than the total overpayments owed, but it can reduce the bill. Every dollar counts as healthcare dollars are being heavily scrutinized by the payer. Why should providers not do the same? Revenue leakage needs to be plugged at every level, and there are numerous underpayments that can be identified.

The Office of the Inspector General (OIG) regularly conducts investigations regarding payments by law. In turn, there is some slight assurance that CMS operates in good faith and to their best effort. However, mistakes do occur.